How to Say "highly effective" in Spanish
The Spanish word for “highly effective” is “poderoso” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
AdjectiveB1
tool or solution
Examples
El pegamento que usó es tan poderoso que no puedo separar las piezas.
The glue he used is so strong/potent that I can't separate the pieces.
La medicina tiene un efecto poderoso contra el dolor de cabeza.
The medicine has a powerful/potent effect against the headache.
El orador tenía una voz poderosa que llenó todo el auditorio.
The speaker had a powerful voice that filled the entire auditorium.
Use with Non-Physical Strength
You can use 'poderoso' to describe things that have a strong impact on your senses or feelings, not just physical strength (e.g., a 'powerful argument' or a 'strong flavor').
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